Senior schools in Tharaka-Nithi County
- Abc Nkondi Girls Secondary
Senior school · Girls · Boarding
- ACK Igangara Secondary
C3 · Mixed · Boarding
- ACK Kaanwa Mixed Secondary
Senior school · Mixed · Day
- ACK Kaanwa Secondary School
C3 · Mixed · Boarding · Igambang’Ombe sub-county
- A.C.K Murigi Girls’ Secondary School
C4 · Girls · Day · Igambang’Ombe sub-county
- Ccm Ndiruni Day Secondary
Senior school · Mixed · Day
- Chiakariga Girls Secondary
C3 · Girls · Boarding
- Chiakariga Mixed Secondary
C4 · Mixed · Day
- Chief Mbogori Girls Secondary
C2 · Girls · Boarding
- Chief Petro Mixed Day Secondary
C4 · Mixed · Day
- Chogoria Boys Secondary
C1 · Boys · Boarding
- Chogoria Girls High
C1 · Girls · Boarding
- Chogoria Senior School
Senior school · Girls · Boarding
- Chuka Boys High School
C2 · Boys · Boarding
- Chuka Girls Secondary
C2 · Girls · Boarding
- County Educational Centre
Senior school · Girls · Boarding
- Gaceraka Mixed Day Secondary School
C4 · Mixed · Day · Chiakariga sub-county
- Gaceraka Secondary
Senior school · Mixed · Day
- Gaciongo Mixed Secondary School
C4 · Mixed · Day · Tharaka North sub-county
- Gaciongo Secondary
Senior school · Mixed · Day & Boarding
- Gakauni Mixed Day Secondary School
C4 · Mixed · Day · Tharaka North sub-county
- Gakuuru Day Secondary School
C4 · Mixed · Day · Tharaka South sub-county
- Gatue Mixed Secondary
C4 · Mixed · Day
- Gatunga Secondary
C3 · Boys · Boarding
- Giampampo Secondary
C4 · Mixed · Day · Muthambi sub-county
- Gianchuku Mixed Secondary
C4 · Mixed · Day
- Gituja Mixed Day Secondary
C4 · Mixed · Day
- Gituntu Day Secondary School
C4 · Mixed · Day
- Ibiriga Mixed Day Secondary
C4 · Mixed · Day
- Igakiramba Mixed Day Secondary
C4 · Mixed · Day
- Igwanjau Secondary
C2 · Mixed · Boarding
- Ikame Mixed Day Secondary School
C4 · Mixed · Day · Muthambi sub-county
- Ikawa Secondary School
C2 · Mixed · Boarding
- Ikumbo Secondary School
C4 · Mixed · Day
- Ikuu Boys High
C1 · Boys · Boarding
- Ikuu Girls Secondary
C2 · Girls · Boarding
- Iriani Mixed Day & Boarding Secondary School
C4 · Mixed · Day · Tharaka North sub-county
- Iruma Girls Secondary
C2 · Girls · Boarding
- Iruma Mixed Day Secondary
C4 · Mixed · Day
- Itara Day Secondary School
C3 · Mixed · Boarding · Muthambi sub-county
- Itara Mixed Day Secondary
Senior school · Mixed · Day
- Itugururu Secondary School
C2 · Mixed · Boarding
- Joseph Allamano Karamani Secondary
Senior school · Boys · Boarding
- Kaanyaga Secondary
C4 · Mixed · Day
- Kaarani Mixed Secondary School
C4 · Mixed · Day · Tharaka South sub-county
- Kaare Mixed Secondary
C4 · Mixed · Day
- Kabuabua Girls Secondary School
C4 · Girls · Day · Tharaka North sub-county
- Kabui Secondary School
C4 · Mixed · Day · Maara sub-county
- Kagaani Mixed Day Secondary
C4 · Mixed · Day · Meru South sub-county
- Kagumo Mixed Day Secondary School
C4 · Mixed · Day · Meru South sub-county
- Kairini Secondary School
C4 · Mixed · Day · Igambang’Ombe sub-county
- Kajiampau Mixed Day Secondary
C3 · Mixed · Boarding
- Kajiuduthi High School
C2 · Boys · Boarding · Muthambi sub-county
- Kajiuduthi Mixed Day Secondary School
C4 · Mixed · Day · Muthambi sub-county
- Kajiunduthi High School
Senior school · Mixed · Boarding
- Kajuki Mixed Secondary
Senior school · Mixed · Day & Boarding
- Kajuki Secondary School
C3 · Mixed · Boarding · Igambang’Ombe sub-county
- Kalewa Secondary School
C4 · Mixed · Day
- Kamacabi Mixed Day Secondary School
C4 · Mixed · Day · Tharaka North sub-county
- Kamaguna Day & Boarding Secondary School
C4 · Mixed · Day · Tharaka North sub-county
- Kamarandi Mixed Day Secondary School
C4 · Mixed · Day · Chiakariga sub-county
- Kamatungu Secondary School For The Hearing Impai
C1 · Mixed · Boarding · Tharaka South sub-county
- Kambandi Secondary
C3 · Mixed · Boarding
- Kamuguongo Mixed Day Secondary School
C4 · Mixed · Day · Meru South sub-county
- Kamutiria Secondary School
C4 · Mixed · Day · Igambang’Ombe sub-county
- Kamwathu Mixed Secondary School
C4 · Mixed · Day · Tharaka North sub-county
- Kamwathu Secondary
Senior school · Mixed · Day
- Kamwimbi Secondary School
C3 · Mixed · Boarding
- Kangoro Secondary School
C4 · Mixed · Day
- Kanyuru Secondary
C4 · Mixed · Day
- Karamugi Secondary
C2 · Girls · Boarding
- Karigini Day Mixed Secondary
C4 · Mixed · Day
- Karii Kamburi Secondary School
C4 · Mixed · Day · Tharaka North sub-county
- Karocho Day Mixed Secondary School
C4 · Mixed · Day · Tharaka South sub-county
- Kathagara Mixed Day Secondary School
C3 · Mixed · Boarding · Igambang’Ombe sub-county
- Kathangachini Secondary
C4 · Mixed · Day
- Kathigiririni Mixed Day
C4 · Mixed · Day
- Kathwana Mixed Day Secondary School
C3 · Mixed · Boarding · Igambang’Ombe sub-county
- Kauni Mixed Day Secondary School
C4 · Mixed · Day · Maara sub-county
- Kiabumbu Secondary
Senior school · Mixed · Day
- Kiamaogo Day Secondary School
C4 · Mixed · Day · Maara sub-county
- Kiamaogo Mixed Day Secondary
Senior school · Mixed · Day
- Kiamuchii Secondary
C4 · Mixed · Day
- Kiamuriuki Secondary School
C3 · Mixed · Boarding
- Kiangondu Secondary School
C4 · Mixed · Day
- Kianjagi Mixed Day Secondary
C4 · Mixed · Day
- Kiaritha Mixed Secondary
C3 · Mixed · Boarding
- Kibumbu Day Mixed Secondary School
C4 · Mixed · Day · Meru South sub-county
- Kieganguru Girls Secondary School
C3 · Girls · Boarding · Maara sub-county
- Kieni Mixed Secondary
C4 · Mixed · Day
- Kiereni Secondary
C3 · Mixed · Boarding
- Kigogo Day Secondary School
C4 · Mixed · Day · Meru South sub-county
- Kiini Secondary
C2 · Mixed · Boarding
- Kimucha Mixed Day Secondary
Senior school · Mixed · Day
- Kimuchia Mixed Secondary School
C4 · Mixed · Day · Maara sub-county
- Kiorimba Secondary School
C4 · Mixed · Day · Tharaka South sub-county
- Kiraro Mixed Day Secondary School
C4 · Mixed · Day · Maara sub-county
- Kirege Secondary
C3 · Mixed · Boarding
- Kiriani Boys Secondary
C1 · Boys · Boarding
- Kiriani Mixed Day Secondary School
C4 · Mixed · Day · Maara sub-county
Historical KCSE rankings for Tharaka-Nithi
Sources
- Senior schools: Ministry of Education lists for the 2026 intake, from the June 2025 list and the December 2025 C1, C2, C3 and C4 lists. Checked 1 October 2026.
- Other schools come from our older directory. Each school page shows its dates.